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Tierra

NASA Reveals Unprecedented Image of Earth: The Geoid Mystery Explained

The space agency released a 3D visualization of Earth's geoid, sparking awe and some confusion. Clarifying that this is not the physical shape of the planet, this scientific tool exaggerates gravitational variations 10,000 times to help us better understand our world and its hidden resources.

NASA's ESCAPADE Mission Captures Stunning New Views of Earth and Moon En Route to Mars

From a distance of 584,600 kilometers, NASA's ESCAPADE spacecraft has snapped breathtaking images of Earth and the Moon, partially illuminated by the Sun. These photos aren't just beautiful—they're critical for calibrating the instruments that will study Martian auroras and thermal properties. The mission, launched in November 2025, is now in a parking orbit around Earth's Lagrange point 2, preparing for a gravity assist in fall 2026.

NASA Reveals Earth's True Form: The Fascinating Geoid

The U.S. space agency is set to present a stunning 3D visualization of Earth's geoid, proving our planet is not a perfect mathematical sphere. This model, built using over a billion satellite observations gathered over 15 years, demonstrates how gravity shapes our planet's astonishing real structure.

NASA Reveals Earth's True Shape: It's Not a Perfect Sphere, It's a Geoid

On July 25, 2026, NASA released a stunning 3D visualization of the Earth's geoid—a scientific model built from over one billion satellite observations collected over 15 years. The image, which went viral on social media, shows how gravity varies across the planet and shatters the myth of a perfect sphere. Discover what a geoid is and why it matters for science.

NASA Reveals Earth's True Shape: Not a Perfect Sphere, but a Geoid

On July 25, 2026, NASA released a stunning animation showing that Earth is not a perfect sphere but a geoid—a shape molded by gravity. The video, which went viral, reveals subtle hills and valleys in our planet's gravitational field, challenging centuries of simplified models.

NASA revela cuándo dejará la Tierra de ser habitable: el hallazgo que cambia todo

Un estudio vinculado a la agencia espacial estadounidense, publicado en Nature Geoscience, determinó que la vida compleja en la Tierra tiene una fecha límite: aproximadamente 1.080 millones de años. El factor determinante no será el fin del Sol, sino la desaparición progresiva del oxígeno atmosférico debido al incremento de luminosidad solar.

Artemis II: imágenes inéditas de la Tierra y vida a bordo rumbo a la Luna

La misión Artemis II de la NASA continúa su histórico viaje hacia la Luna con impresionantes fotografías de la Tierra captadas por el comandante Reid Wiseman. A mitad de camino, los astronautas comparten detalles de su rutina diaria en la cápsula Orión, desde 58 tortillas y cinco salsas picantes hasta un baño reparado por Christina Koch, quien se autodenominó "la fontanera del espacio".

Un asteroide recién descubierto pasará esta noche más cerca que la Luna

La NASA confirmó el descubrimiento del asteroide 2026 EG1 apenas seis días antes de su acercamiento máximo. El objeto espacial cruzará el hemisferio sur a 317.791 kilómetros de la Tierra, más cerca que nuestro satélite natural, sin representar ningún riesgo para el planeta.

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Alfredo's Column Alfredo S. Quiroga

Alfredo S. Quiroga